Improvement in water-wheels



W. B. ALLRED.

Water-Wheel.

.Patented Dec. 16, 1879.

NPETERS. FKOTO-UTNDQRPRER. WASHINGTON, D C.

UNITED STATES PATENT OEEIeE.

WALTER B. ALLRED, OF HIGH POINT, NORTH CAROLINA, ASSIGNOR OF ONE-HALF 0FHIS RIGHT TO HERMAN L. KOELLSGH.

IMPROVEM EWNT IN WATER-WH EELS.

Specification forming part of Letters Patent No. 22,566, dated December16, 1879; application filed l April 7, 1879.

To all whom it may concern:

Be it known that I, WALTER B. ALLRED, of High Point, in the county ofGuilford and State of North Carolina, have invented certain new anduseful Improvements in Water- Wheels; and l hereby declare that thefollowing is a full, clear, and exact description of the invention,which will enable others skilled in the art to which it appertains tomake and use the same, reference being had to the accompanying drawings,which form a part of this specification, and in whichl Figure 1 is aperspective view. Fig 2 is a vertical axial section. Fig. 3 is ahorizontal section taken on the line m x in Fig. 2; and Fig. 4L is asimilar section taken on line y y in Fig. 2.

Similar letters of reference indicate corresponding parts in all thefigures.

This invention relates to that class of waterwheels generally known asturbines 5 and it consists in the detailed construction and combinationof parts7 having for its object to produce a wheel Which, with a givenamount of water, shall be capable of developing the greatest possibleamount of power, substantiallyT as hereinafter more fully described. Inthe drawings, A is a vertical shaft or axle, keyed or otherwise firmlysecured upon which is a circular disk, B, upon the under side of whichthe buckets b are affixed. These consist of narrow vertical platescurved into the shape of a semicircle or crescent, the inner ends ofwhich stop short of the central shaft, sothat there is an open space(denoted by a) surrounding this on all sides.

Upon the lower end of shaft A is secured another set or series ofbuckets, c, which are arranged upon a sleeve, d, in such a manner thattheir upper straight or vertical ends impinge upon the chutes C', formedin the horizontal division Cmwhich separates the upper chamber, formedby the casing D, gates E, and coveringplate F, from the lower chamber,G, which consists of a cylindrical extension of the case-plate D.

The gates E consist each of a curved plate or casting, pivoted at itsmiddle upon a vertical bolt, e, which further serves to secure thecovering-plate F upon the lower casing, D. The gates are manipulated bymeans of rods j', which engage with a plate7 g, pivoted upon the shaftA, and operated by a toothed segment, g,"in a manner well understood.

As the water enters the space between the top plate, F, and case-plate Dit will cause the wheel to revolve, and then be guided by the curvatureof the said buckets down into the inclined chutes C', and through theseinto the buckets c, which are so set or arranged upon sleeve d and shaftA,with reference to the upper buckets, b, as to be turned in the samedirection by the weight or force of the body of water emptying outthrough them. In this manner the same amount of water is utilized twicein its passage through the wheel-viz., rst, in operating the upperbuckets, b, and, second, in its descent through the cylindrical outletor extension in the bottom of the caseplate D.

Having thus described my invention, I claim and desire to secure byLetters Patent of the United States- The improved turbine hereindescribed, consisting, essentially, of the top plate, F, gates E, andcase-plate D, provided with the cylindrical extension G, and diaphragmO, provided with the chutes C', in combination with the shaft A andbuckets b' c, constructed as described, and arranged upon opposite sidesof the diaphragm O, the whole constructed and combined to operatesubstantially as and for the purpose set forth.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in presence of two Witnesses.

WALTER B. ALLRED.

Witnesses:

JAMES N. CAUDLE, H. L. KoELLsoE.

